n. That which fills, or fills up; anything used for occupying a vacant space, completing a structure or fabric, or stopping up a hole: as, the filling of a wall, of a pie, or of a tooth.n. Specifically Carpeting of solid color, used to fill up recesses outside of bordered carpets, or to cover the whole floor where rugs are used.n. The woof- or weft-thread of a woven fabric.n. In needlework, any plain stitch which serves to fill considerable spaces.n. In lace-making, the simple stitch which serves to cover the surface of parts of the pattern, as leaves, petals, and the like. Filling may either be plain or have a geometrical or simple pattern within itself, as described under escalier-lace.n. In house-painting, a coat applied to fill up inequalities, etc., as those resulting from the grain of wood; also, the operation of obliterating such inequalities, as by the application of such a coat.n. A raised embankment or elevated permanent way, as a part of a railroad, formed of loose stones, gravel, or other material.Calculated to fill, satisfy, or satiate: as, a filling diet.n. In wooden ship-building, a piece of timber placed between the frames to fill up the spaces and give greater strength. When placed in the bottom, between the floor-timbers, such pieces are called filling-timbers.